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fix: use two-line V arrowheads with dark pen for cut direction

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AJ Isaacs
2026-03-31 22:27:22 -04:00
parent bb70ae26d3
commit d3a439181c
3 changed files with 12 additions and 14 deletions
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22
OpenNest/Controls/CutDirectionArrows.cs
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@@ -1,7 +1,6 @@
using OpenNest.CNC;
using OpenNest.Geometry;
using OpenNest.Math;
using System;
using System.Drawing;
namespace OpenNest.Controls
@@ -128,19 +127,18 @@ namespace OpenNest.Controls
private static void DrawArrowHead(Graphics g, Pen pen, PointF tip, double angle, float size)
{
var sin = (float)System.Math.Sin(angle);
var cos = (float)System.Math.Cos(angle);
var leftAngle = angle + System.Math.PI + 0.5;
var rightAngle = angle + System.Math.PI - 0.5;
var backX = -size * cos;
var backY = -size * sin;
var wingX = size * 0.5f * sin;
var wingY = -size * 0.5f * cos;
var left = new PointF(
tip.X + size * (float)System.Math.Cos(leftAngle),
tip.Y + size * (float)System.Math.Sin(leftAngle));
var right = new PointF(
tip.X + size * (float)System.Math.Cos(rightAngle),
tip.Y + size * (float)System.Math.Sin(rightAngle));
var wing1 = new PointF(tip.X + backX + wingX, tip.Y + backY + wingY);
var wing2 = new PointF(tip.X + backX - wingX, tip.Y + backY - wingY);
g.DrawLine(pen, wing1, tip);
g.DrawLine(pen, wing2, tip);
g.DrawLine(pen, left, tip);
g.DrawLine(pen, right, tip);
}
}
}

2
OpenNest/Controls/PlateRenderer.cs
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@@ -515,7 +515,7 @@ namespace OpenNest.Controls
private void DrawAllCutDirectionArrows(Graphics g)
{
using var pen = new Pen(Color.FromArgb(220, Color.Black), 1.5f);
using var pen = new Pen(Color.FromArgb(60, 60, 60), 1.5f);
var arrowSpacingWorld = view.LengthGuiToWorld(60f);
var arrowSize = 6f;

2
OpenNest/Controls/ProgramEditorControl.cs
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@@ -273,7 +273,7 @@ namespace OpenNest.Controls
var pgm = ConvertGeometry.ToProgram(contour.Shape);
if (pgm == null) continue;
using var pen = new Pen(Color.FromArgb(220, Color.Black), 1.5f);
using var pen = new Pen(Color.FromArgb(60, 60, 60), 1.5f);
var pos = new Vector();
CutDirectionArrows.DrawProgram(e.Graphics, preview, pgm, ref pos, pen, spacing, arrowSize);
}